package com.dragon.defaultmethod;


/**
 * @author dragon
 * @version V1.0.0-RELEASE
 * @date 2019/6/4 16:54
 */
public class Demo {

    public static void main(String[] args) {
        String abc = new String("abc");
        String asdfb = abc.concat("asdfb");
        System.out.println(asdfb);
    }
}
